1. Air Conditioning : This comprehensive AC kit is designed for diagnosing and maintaining HVAC systems in homes, vehicles, or commercial environments. Whether you're fixing a minor leak or servicing a full system, this kit ensures accurate results. 2. AC Kit: Equipped with a portable refrigerant spill tester, pressure gauges, and connectors, this kit helps identify refrigerant leaks quickly and safely. It is for technicians and DIY users, streamlining AC diagnostics and enhancing maintenance efficiency. 3. Auto Refrigerant Spill Tester: The included spill tester is compact and easy to use, making it ideal for both onthego and in applications. Quickly detect refrigerant leaks and pinpoint problem areas in car air conditioning units without causing damage. 4. HVAC System Maintenance: Designed for both residential and industrial applications, this tool set is essential for HVAC contractors, professionals, or home users. Use it to test, maintain, and air conditioning systems effectively.